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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2014 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: ObjType.html 842 2015-03-07 18:20:42Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.jsimpledb.core;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import com.google.common.base.Function;<a name="line.10"></a>
<span class="sourceLineNo">011</span>import com.google.common.base.Predicate;<a name="line.11"></a>
<span class="sourceLineNo">012</span>import com.google.common.collect.Iterables;<a name="line.12"></a>
<span class="sourceLineNo">013</span>import com.google.common.collect.Maps;<a name="line.13"></a>
<span class="sourceLineNo">014</span>import com.google.common.primitives.Ints;<a name="line.14"></a>
<span class="sourceLineNo">015</span><a name="line.15"></a>
<span class="sourceLineNo">016</span>import java.util.ArrayList;<a name="line.16"></a>
<span class="sourceLineNo">017</span>import java.util.Collections;<a name="line.17"></a>
<span class="sourceLineNo">018</span>import java.util.HashMap;<a name="line.18"></a>
<span class="sourceLineNo">019</span>import java.util.Map;<a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.util.SortedMap;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.util.TreeMap;<a name="line.21"></a>
<span class="sourceLineNo">022</span><a name="line.22"></a>
<span class="sourceLineNo">023</span>import org.jsimpledb.schema.SchemaCompositeIndex;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import org.jsimpledb.schema.SchemaField;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.jsimpledb.schema.SchemaObjectType;<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span>/**<a name="line.27"></a>
<span class="sourceLineNo">028</span> * Represents a {@link Database} object type.<a name="line.28"></a>
<span class="sourceLineNo">029</span> */<a name="line.29"></a>
<span class="sourceLineNo">030</span>public class ObjType extends SchemaItem {<a name="line.30"></a>
<span class="sourceLineNo">031</span><a name="line.31"></a>
<span class="sourceLineNo">032</span>    final FieldTypeRegistry fieldTypeRegistry;<a name="line.32"></a>
<span class="sourceLineNo">033</span>    final TreeMap&lt;Integer, Field&lt;?&gt;&gt; fields = new TreeMap&lt;&gt;();<a name="line.33"></a>
<span class="sourceLineNo">034</span>    final TreeMap&lt;String, Field&lt;?&gt;&gt; fieldsByName = new TreeMap&lt;&gt;();<a name="line.34"></a>
<span class="sourceLineNo">035</span>    final TreeMap&lt;Integer, CompositeIndex&gt; compositeIndexes = new TreeMap&lt;&gt;();<a name="line.35"></a>
<span class="sourceLineNo">036</span>    final TreeMap&lt;String, CompositeIndex&gt; compositeIndexesByName = new TreeMap&lt;&gt;();<a name="line.36"></a>
<span class="sourceLineNo">037</span>    final TreeMap&lt;Integer, SimpleField&lt;?&gt;&gt; simpleFields = new TreeMap&lt;&gt;();<a name="line.37"></a>
<span class="sourceLineNo">038</span>    final TreeMap&lt;Integer, ComplexField&lt;?&gt;&gt; complexFields = new TreeMap&lt;&gt;();<a name="line.38"></a>
<span class="sourceLineNo">039</span>    final TreeMap&lt;Integer, CounterField&gt; counterFields = new TreeMap&lt;&gt;();<a name="line.39"></a>
<span class="sourceLineNo">040</span>    final TreeMap&lt;Integer, ReferenceField&gt; referenceFields = new TreeMap&lt;&gt;();           // includes sub-fields too<a name="line.40"></a>
<span class="sourceLineNo">041</span><a name="line.41"></a>
<span class="sourceLineNo">042</span>    /**<a name="line.42"></a>
<span class="sourceLineNo">043</span>     * Constructor.<a name="line.43"></a>
<span class="sourceLineNo">044</span>     */<a name="line.44"></a>
<span class="sourceLineNo">045</span>    ObjType(SchemaObjectType schemaObjectType, Schema schema, FieldTypeRegistry fieldTypeRegistry) {<a name="line.45"></a>
<span class="sourceLineNo">046</span>        super(schemaObjectType.getName(), schemaObjectType.getStorageId(), schema);<a name="line.46"></a>
<span class="sourceLineNo">047</span><a name="line.47"></a>
<span class="sourceLineNo">048</span>        // Sanity check<a name="line.48"></a>
<span class="sourceLineNo">049</span>        if (fieldTypeRegistry == null)<a name="line.49"></a>
<span class="sourceLineNo">050</span>            throw new IllegalArgumentException("null fieldTypeRegistry");<a name="line.50"></a>
<span class="sourceLineNo">051</span>        this.fieldTypeRegistry = fieldTypeRegistry;<a name="line.51"></a>
<span class="sourceLineNo">052</span><a name="line.52"></a>
<span class="sourceLineNo">053</span>        // Build fields<a name="line.53"></a>
<span class="sourceLineNo">054</span>        final FieldBuilder fieldBuilder = new FieldBuilder(this.schema, this.fieldTypeRegistry);<a name="line.54"></a>
<span class="sourceLineNo">055</span>        for (SchemaField schemaField : schemaObjectType.getSchemaFields().values())<a name="line.55"></a>
<span class="sourceLineNo">056</span>            this.addSchemaItem(fields, fieldsByName, schemaField.visit(fieldBuilder));<a name="line.56"></a>
<span class="sourceLineNo">057</span><a name="line.57"></a>
<span class="sourceLineNo">058</span>        // Build mappings for various field types<a name="line.58"></a>
<span class="sourceLineNo">059</span>        this.buildMap(this.simpleFields, SimpleField.class);<a name="line.59"></a>
<span class="sourceLineNo">060</span>        this.buildMap(this.complexFields, ComplexField.class);<a name="line.60"></a>
<span class="sourceLineNo">061</span>        this.buildMap(this.counterFields, CounterField.class);<a name="line.61"></a>
<span class="sourceLineNo">062</span>        for (ReferenceField referenceField : Iterables.filter(this.getFieldsAndSubFields(), ReferenceField.class))<a name="line.62"></a>
<span class="sourceLineNo">063</span>            this.referenceFields.put(referenceField.storageId, referenceField);<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
<span class="sourceLineNo">065</span>        // Build composite indexes<a name="line.65"></a>
<span class="sourceLineNo">066</span>        for (SchemaCompositeIndex schemaIndex : schemaObjectType.getSchemaCompositeIndexes().values())<a name="line.66"></a>
<span class="sourceLineNo">067</span>            this.addCompositeIndex(this.schema, schemaIndex);<a name="line.67"></a>
<span class="sourceLineNo">068</span><a name="line.68"></a>
<span class="sourceLineNo">069</span>        // Link simple fields to the composite indexes they include<a name="line.69"></a>
<span class="sourceLineNo">070</span>        for (SimpleField&lt;?&gt; field : this.simpleFields.values()) {<a name="line.70"></a>
<span class="sourceLineNo">071</span>            final HashMap&lt;CompositeIndex, Integer&gt; indexMap = new HashMap&lt;&gt;();<a name="line.71"></a>
<span class="sourceLineNo">072</span>            for (CompositeIndex index : this.compositeIndexes.values()) {<a name="line.72"></a>
<span class="sourceLineNo">073</span>                final int i = index.fields.indexOf(field);<a name="line.73"></a>
<span class="sourceLineNo">074</span>                if (i != -1)<a name="line.74"></a>
<span class="sourceLineNo">075</span>                    indexMap.put(index, i);<a name="line.75"></a>
<span class="sourceLineNo">076</span>            }<a name="line.76"></a>
<span class="sourceLineNo">077</span>            assert field.compositeIndexMap == null;<a name="line.77"></a>
<span class="sourceLineNo">078</span>            if (!indexMap.isEmpty())<a name="line.78"></a>
<span class="sourceLineNo">079</span>                field.compositeIndexMap = Collections.unmodifiableMap(indexMap);<a name="line.79"></a>
<span class="sourceLineNo">080</span>        }<a name="line.80"></a>
<span class="sourceLineNo">081</span>    }<a name="line.81"></a>
<span class="sourceLineNo">082</span><a name="line.82"></a>
<span class="sourceLineNo">083</span>    /**<a name="line.83"></a>
<span class="sourceLineNo">084</span>     * Get all fields associated with this object type keyed by storage ID. Does not include sub-fields of complex fields.<a name="line.84"></a>
<span class="sourceLineNo">085</span>     *<a name="line.85"></a>
<span class="sourceLineNo">086</span>     * @return unmodifiable mapping from {@linkplain Field#getStorageId field storage ID} to field<a name="line.86"></a>
<span class="sourceLineNo">087</span>     */<a name="line.87"></a>
<span class="sourceLineNo">088</span>    public SortedMap&lt;Integer, Field&lt;?&gt;&gt; getFields() {<a name="line.88"></a>
<span class="sourceLineNo">089</span>        return Collections.unmodifiableSortedMap(this.fields);<a name="line.89"></a>
<span class="sourceLineNo">090</span>    }<a name="line.90"></a>
<span class="sourceLineNo">091</span><a name="line.91"></a>
<span class="sourceLineNo">092</span>    /**<a name="line.92"></a>
<span class="sourceLineNo">093</span>     * Get the {@link Field} in this instance with the given storage ID.<a name="line.93"></a>
<span class="sourceLineNo">094</span>     *<a name="line.94"></a>
<span class="sourceLineNo">095</span>     * @param storageId storage ID<a name="line.95"></a>
<span class="sourceLineNo">096</span>     * @return the {@link Field} with storage ID {@code storageID}<a name="line.96"></a>
<span class="sourceLineNo">097</span>     * @throws UnknownFieldException if no {@link Field} with storage ID {@code storageId} exists<a name="line.97"></a>
<span class="sourceLineNo">098</span>     */<a name="line.98"></a>
<span class="sourceLineNo">099</span>    public Field&lt;?&gt; getField(int storageId) {<a name="line.99"></a>
<span class="sourceLineNo">100</span>        final Field&lt;?&gt; field = this.fields.get(storageId);<a name="line.100"></a>
<span class="sourceLineNo">101</span>        if (field == null)<a name="line.101"></a>
<span class="sourceLineNo">102</span>            throw new UnknownFieldException(this, storageId, "field");<a name="line.102"></a>
<span class="sourceLineNo">103</span>        return field;<a name="line.103"></a>
<span class="sourceLineNo">104</span>    }<a name="line.104"></a>
<span class="sourceLineNo">105</span><a name="line.105"></a>
<span class="sourceLineNo">106</span>    /**<a name="line.106"></a>
<span class="sourceLineNo">107</span>     * Get all fields associated with this object type keyed by name. Does not include sub-fields of complex fields.<a name="line.107"></a>
<span class="sourceLineNo">108</span>     *<a name="line.108"></a>
<span class="sourceLineNo">109</span>     * @return unmodifiable mapping from {@linkplain Field#getName field name} to field<a name="line.109"></a>
<span class="sourceLineNo">110</span>     */<a name="line.110"></a>
<span class="sourceLineNo">111</span>    public SortedMap&lt;String, Field&lt;?&gt;&gt; getFieldsByName() {<a name="line.111"></a>
<span class="sourceLineNo">112</span>        return Collections.unmodifiableSortedMap(this.fieldsByName);<a name="line.112"></a>
<span class="sourceLineNo">113</span>    }<a name="line.113"></a>
<span class="sourceLineNo">114</span><a name="line.114"></a>
<span class="sourceLineNo">115</span>    /**<a name="line.115"></a>
<span class="sourceLineNo">116</span>     * Get all composite indexes associated with this object type keyed by storage ID.<a name="line.116"></a>
<span class="sourceLineNo">117</span>     *<a name="line.117"></a>
<span class="sourceLineNo">118</span>     * @return unmodifiable mapping from {@linkplain CompositeIndex#getStorageId composite index storage ID} to field<a name="line.118"></a>
<span class="sourceLineNo">119</span>     */<a name="line.119"></a>
<span class="sourceLineNo">120</span>    public SortedMap&lt;Integer, CompositeIndex&gt; getCompositeIndexes() {<a name="line.120"></a>
<span class="sourceLineNo">121</span>        return Collections.unmodifiableSortedMap(this.compositeIndexes);<a name="line.121"></a>
<span class="sourceLineNo">122</span>    }<a name="line.122"></a>
<span class="sourceLineNo">123</span><a name="line.123"></a>
<span class="sourceLineNo">124</span>    /**<a name="line.124"></a>
<span class="sourceLineNo">125</span>     * Get the {@link CompositeIndex} associated with this instance with the given storage ID.<a name="line.125"></a>
<span class="sourceLineNo">126</span>     *<a name="line.126"></a>
<span class="sourceLineNo">127</span>     * @param storageId storage ID<a name="line.127"></a>
<span class="sourceLineNo">128</span>     * @return the {@link CompositeIndex} with storage ID {@code storageID}<a name="line.128"></a>
<span class="sourceLineNo">129</span>     * @throws UnknownIndexException if no {@link CompositeIndex} with storage ID {@code storageId} exists<a name="line.129"></a>
<span class="sourceLineNo">130</span>     */<a name="line.130"></a>
<span class="sourceLineNo">131</span>    public CompositeIndex getCompositeIndex(int storageId) {<a name="line.131"></a>
<span class="sourceLineNo">132</span>        final CompositeIndex index = this.compositeIndexes.get(storageId);<a name="line.132"></a>
<span class="sourceLineNo">133</span>        if (index == null)<a name="line.133"></a>
<span class="sourceLineNo">134</span>            throw new UnknownIndexException(storageId, "composite index");<a name="line.134"></a>
<span class="sourceLineNo">135</span>        return index;<a name="line.135"></a>
<span class="sourceLineNo">136</span>    }<a name="line.136"></a>
<span class="sourceLineNo">137</span><a name="line.137"></a>
<span class="sourceLineNo">138</span>    /**<a name="line.138"></a>
<span class="sourceLineNo">139</span>     * Get all composite indexes associated with this object type keyed by name.<a name="line.139"></a>
<span class="sourceLineNo">140</span>     *<a name="line.140"></a>
<span class="sourceLineNo">141</span>     * @return unmodifiable mapping from {@linkplain CompositeIndex#getName index name} to index<a name="line.141"></a>
<span class="sourceLineNo">142</span>     */<a name="line.142"></a>
<span class="sourceLineNo">143</span>    public SortedMap&lt;String, CompositeIndex&gt; getCompositeIndexesByName() {<a name="line.143"></a>
<span class="sourceLineNo">144</span>        return Collections.unmodifiableSortedMap(this.compositeIndexesByName);<a name="line.144"></a>
<span class="sourceLineNo">145</span>    }<a name="line.145"></a>
<span class="sourceLineNo">146</span><a name="line.146"></a>
<span class="sourceLineNo">147</span>    /**<a name="line.147"></a>
<span class="sourceLineNo">148</span>     * Get all fields, including sub-fields.<a name="line.148"></a>
<span class="sourceLineNo">149</span>     */<a name="line.149"></a>
<span class="sourceLineNo">150</span>    Iterable&lt;Field&lt;?&gt;&gt; getFieldsAndSubFields() {<a name="line.150"></a>
<span class="sourceLineNo">151</span>        Iterable&lt;Field&lt;?&gt;&gt; i = this.fields.values();<a name="line.151"></a>
<span class="sourceLineNo">152</span>        for (ComplexField&lt;?&gt; field : this.complexFields.values())<a name="line.152"></a>
<span class="sourceLineNo">153</span>            i = Iterables.concat(i, field.getSubFields());<a name="line.153"></a>
<span class="sourceLineNo">154</span>        return i;<a name="line.154"></a>
<span class="sourceLineNo">155</span>    }<a name="line.155"></a>
<span class="sourceLineNo">156</span><a name="line.156"></a>
<span class="sourceLineNo">157</span>    @Override<a name="line.157"></a>
<span class="sourceLineNo">158</span>    ObjTypeStorageInfo toStorageInfo() {<a name="line.158"></a>
<span class="sourceLineNo">159</span>        return new ObjTypeStorageInfo(this);<a name="line.159"></a>
<span class="sourceLineNo">160</span>    }<a name="line.160"></a>
<span class="sourceLineNo">161</span><a name="line.161"></a>
<span class="sourceLineNo">162</span>    @Override<a name="line.162"></a>
<span class="sourceLineNo">163</span>    public String toString() {<a name="line.163"></a>
<span class="sourceLineNo">164</span>        return "object type `" + this.name + "' in " + this.schema;<a name="line.164"></a>
<span class="sourceLineNo">165</span>    }<a name="line.165"></a>
<span class="sourceLineNo">166</span><a name="line.166"></a>
<span class="sourceLineNo">167</span>// Internal methods<a name="line.167"></a>
<span class="sourceLineNo">168</span><a name="line.168"></a>
<span class="sourceLineNo">169</span>    private &lt;T extends Field&lt;?&gt;&gt; void buildMap(TreeMap&lt;Integer, T&gt; map, final Class&lt;? super T&gt; type) {<a name="line.169"></a>
<span class="sourceLineNo">170</span>        map.putAll(Maps.transformValues(Maps.filterValues(this.fields, new Predicate&lt;Field&lt;?&gt;&gt;() {<a name="line.170"></a>
<span class="sourceLineNo">171</span>            @Override<a name="line.171"></a>
<span class="sourceLineNo">172</span>            public boolean apply(Field&lt;?&gt; field) {<a name="line.172"></a>
<span class="sourceLineNo">173</span>                return type.isInstance(field);<a name="line.173"></a>
<span class="sourceLineNo">174</span>            }<a name="line.174"></a>
<span class="sourceLineNo">175</span>        }), new Function&lt;Field&lt;?&gt;, T&gt;() {<a name="line.175"></a>
<span class="sourceLineNo">176</span>            @Override<a name="line.176"></a>
<span class="sourceLineNo">177</span>            @SuppressWarnings("unchecked")<a name="line.177"></a>
<span class="sourceLineNo">178</span>            public T apply(Field&lt;?&gt; field) {<a name="line.178"></a>
<span class="sourceLineNo">179</span>                return (T)type.cast(field);<a name="line.179"></a>
<span class="sourceLineNo">180</span>            }<a name="line.180"></a>
<span class="sourceLineNo">181</span>        }));<a name="line.181"></a>
<span class="sourceLineNo">182</span>    }<a name="line.182"></a>
<span class="sourceLineNo">183</span><a name="line.183"></a>
<span class="sourceLineNo">184</span>    private &lt;T extends SchemaItem&gt; void addSchemaItem(Map&lt;Integer, T&gt; byStorageId, Map&lt;String, T&gt; byName, T item) {<a name="line.184"></a>
<span class="sourceLineNo">185</span>        T previous = byStorageId.put(item.storageId, item);<a name="line.185"></a>
<span class="sourceLineNo">186</span>        if (previous != null) {<a name="line.186"></a>
<span class="sourceLineNo">187</span>            throw new IllegalArgumentException("duplicate use of storage ID " + item.storageId<a name="line.187"></a>
<span class="sourceLineNo">188</span>              + " by " + previous + " and " + item + " in " + this);<a name="line.188"></a>
<span class="sourceLineNo">189</span>        }<a name="line.189"></a>
<span class="sourceLineNo">190</span>        previous = byName.put(item.name, item);<a name="line.190"></a>
<span class="sourceLineNo">191</span>        if (previous != null) {<a name="line.191"></a>
<span class="sourceLineNo">192</span>            throw new IllegalArgumentException("duplicate use of name `" + item.name<a name="line.192"></a>
<span class="sourceLineNo">193</span>              + "' by " + previous + " and " + item + " in " + this);<a name="line.193"></a>
<span class="sourceLineNo">194</span>        }<a name="line.194"></a>
<span class="sourceLineNo">195</span>    }<a name="line.195"></a>
<span class="sourceLineNo">196</span><a name="line.196"></a>
<span class="sourceLineNo">197</span>    private CompositeIndex addCompositeIndex(Schema schema, SchemaCompositeIndex schemaIndex) {<a name="line.197"></a>
<span class="sourceLineNo">198</span><a name="line.198"></a>
<span class="sourceLineNo">199</span>        // Get fields corresponding to specified storage IDs<a name="line.199"></a>
<span class="sourceLineNo">200</span>        final int[] storageIds = Ints.toArray(schemaIndex.getIndexedFields());<a name="line.200"></a>
<span class="sourceLineNo">201</span>        if (storageIds.length &lt; 2 || storageIds.length &gt; Database.MAX_INDEXED_FIELDS)<a name="line.201"></a>
<span class="sourceLineNo">202</span>            throw new IllegalArgumentException("invalid " + schemaIndex + ": can't index " + storageIds.length + " fields");<a name="line.202"></a>
<span class="sourceLineNo">203</span>        final ArrayList&lt;SimpleField&lt;?&gt;&gt; list = new ArrayList&lt;&gt;(storageIds.length);<a name="line.203"></a>
<span class="sourceLineNo">204</span>        int count = 0;<a name="line.204"></a>
<span class="sourceLineNo">205</span>        for (int storageId : storageIds) {<a name="line.205"></a>
<span class="sourceLineNo">206</span>            final Field&lt;?&gt; field = this.fields.get(storageId);<a name="line.206"></a>
<span class="sourceLineNo">207</span>            if (!(field instanceof SimpleField)) {<a name="line.207"></a>
<span class="sourceLineNo">208</span>                throw new IllegalArgumentException("invalid " + schemaIndex<a name="line.208"></a>
<span class="sourceLineNo">209</span>                  + ": no simple field with storage ID " + storageId + " found");<a name="line.209"></a>
<span class="sourceLineNo">210</span>            }<a name="line.210"></a>
<span class="sourceLineNo">211</span>            final SimpleField&lt;?&gt; simpleField = (SimpleField&lt;?&gt;)field;<a name="line.211"></a>
<span class="sourceLineNo">212</span>            if (simpleField.parent != null) {<a name="line.212"></a>
<span class="sourceLineNo">213</span>                throw new IllegalArgumentException("invalid " + schemaIndex<a name="line.213"></a>
<span class="sourceLineNo">214</span>                  + ": simple field with storage ID " + storageId + " is a sub-field of a complex field");<a name="line.214"></a>
<span class="sourceLineNo">215</span>            }<a name="line.215"></a>
<span class="sourceLineNo">216</span>            list.add(simpleField);<a name="line.216"></a>
<span class="sourceLineNo">217</span>        }<a name="line.217"></a>
<span class="sourceLineNo">218</span><a name="line.218"></a>
<span class="sourceLineNo">219</span>        // Create and add index<a name="line.219"></a>
<span class="sourceLineNo">220</span>        final CompositeIndex index = new CompositeIndex(schemaIndex.getName(), schemaIndex.getStorageId(), schema, this, list);<a name="line.220"></a>
<span class="sourceLineNo">221</span>        this.addSchemaItem(this.compositeIndexes, this.compositeIndexesByName, index);<a name="line.221"></a>
<span class="sourceLineNo">222</span>        return index;<a name="line.222"></a>
<span class="sourceLineNo">223</span>    }<a name="line.223"></a>
<span class="sourceLineNo">224</span>}<a name="line.224"></a>
<span class="sourceLineNo">225</span><a name="line.225"></a>




























































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